campaign think though, stu, that vice president biden has to sort of either undo or do to shift the energy here? >> i think the last debate was about the president's performance. it was about how he has behaved as president and what kind of a leader he was. he failed to show. i think joe biden is going to come out strong, aggressively try to carry the fight to mitt romney and paul ryan to again show that the democratic party, the democratic ticket is fighting frankly. and to. >> warner: some democrats were doubting. >> try to make this debate about the ryan budget, whether the republicans are telling the truth. whether there is a different mitt romney to really carry the fight. >> warner: susan, what do the romney-ryan team think it has to do with vice president biden to try to keep the momentum going? >> well... arner: and not become a target of all these questions about the ryan plan. >> you know, a debate where people said that republicans won, that would be great news for the romney team trying to build on this progress that they made since the last debate. because of course as andy kn